Question 1

A positively or negatively charged particle is called a(n) ____________________.

Accepted Answer

The answer of A positively or negatively charged particle is...

Question 2

Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge.

Accepted Answer

A) True 
 B)False

Question 3

Match the element name with its symbol.
-Mg

Accepted Answer

A)  calcium
B)  carbon
C)  hydrogen
D)  iron
E)  oxygenF) sodiumG) potassiumH) nitrogenI) magnesiumJ) phosphorusK) D) and I)
L) A) and D)

Question 4

Medical imaging refers to invasive techniques and processes.

Accepted Answer

A) True 
 B)False

Question 5

Match the element name with its symbol.
-Ca

Accepted Answer

A)  calcium
B)  carbon
C)  hydrogen
D)  iron
E)  oxygenF) sodiumG) potassiumH) nitrogenI) magnesiumJ) phosphorusK) G) and J)
L) A) and I)

Question 6

The sour taste of lemons is due to the presence of a compound called a(n)  _____.

Accepted Answer

A)  acid
B)  base
C)  salt
D)  pHE) A) and B)
F) None of the above

Question 7

Which of the following would best be described as a scanning procedure that provides visualization of fluid, soft tissue, and body structures without the use of radiation?

Accepted Answer

A)  computed axial tomography (CAT, or CT, scan) 
B)  magnetic resonance imaging (MRI) 
C)  positron emission tomography (PET)  scan
D)  bone scanE) A) and B)
F) A) and D)

Question 8

Compounds can be classified into the following three groups: ____________________, ____________________, and ____________________.

Accepted Answer

acids, bases, salts
acids, sal...

Question 9

____________________ ____________________ is involved in the process of heredity.

Accepted Answer

DNA
Deoxyr...

Question 10

Match the element name with its symbol.
-P

Accepted Answer

A)  calcium
B)  carbon
C)  hydrogen
D)  iron
E)  oxygenF) sodiumG) potassiumH) nitrogenI) magnesiumJ) phosphorusK) C) and E)
L) A) and D)

Question 11

Which of the following is an example of a lipid?

Accepted Answer

A)  carbohydrate
B)  protein
C)  fat
D)  enzymeE) B) and C)
F) A) and B)

Question 12

Fructose found in fruit and honey is an example of a disaccharide.

Accepted Answer

A) True 
 B)False

Question 13

The number of elements found naturally in our world is ____________________.

Accepted Answer

The answer of The number of elements found naturally in...

Question 14

The four groups of organic compounds are ____________________, ____________________, ____________________, and ____________________ ____________________.

Accepted Answer

carbohydrates, lipids, proteins, nucleic...

Question 15

Buffers help a living organism to maintain a constant pH value.

Accepted Answer

A) True 
 B)False

Question 16

The nucleus of every human cell contains how many chromosomes?

Accepted Answer

A)  23
B)  46
C)  69
D)  92E) None of the above
F) A) and B)

Question 17

Molecules that contain carbon, hydrogen, and oxygen are known as ____________ _____________.

Accepted Answer

The answer of Molecules that contain carbon, hydrogen, and oxygen...

Question 18

Match the element name with its symbol.
-C

Accepted Answer

A)  calcium
B)  carbon
C)  hydrogen
D)  iron
E)  oxygenF) sodiumG) potassiumH) nitrogenI) magnesiumJ) phosphorusK) A) and H)
L) C) and F)

Question 19

RNA structures are unique for each person and so are usable as a means of identification.

Accepted Answer

A) True 
 B)False

Question 20

A solution with a pH of 5 would tell you it is _____.

Accepted Answer

A)  acidic
B)  alkaline
C)  neutralD) A) and B)
E) A) and C)

Exam 2: Chemistry of Living Things

____________________ ____________________ is involved in the process of heredity.

Correct AnswerverifiedDNADeoxyr...View AnswerShow Answer

The four groups of organic compounds are ____________________, ____________________, ____________________, and ____________________ ____________________.

Correct Answerverifiedcarbohydrates, lipids, proteins, nucleic...View AnswerShow Answer

A positively or negatively charged particle is called a(n) ____________________.

Correct AnswerverifiedShow Answer

Medical imaging refers to invasive techniques and processes.

Correct AnswerverifiedShow Answer

RNA structures are unique for each person and so are usable as a means of identification.

Correct AnswerverifiedShow Answer

Which of the following would best be described as a scanning procedure that provides visualization of fluid, soft tissue, and body structures without the use of radiation?

Correct AnswerverifiedShow Answer

Compounds can be classified into the following three groups: ____________________, ____________________, and ____________________.

Correct Answerverifiedacids, bases, saltsacids, sal...View AnswerShow Answer

The nucleus of every human cell contains how many chromosomes?

Correct AnswerverifiedShow Answer

Match the element name with its symbol. -Mg

Correct AnswerverifiedShow Answer

Match the element name with its symbol. -Ca

Correct AnswerverifiedShow Answer

The number of elements found naturally in our world is ____________________.

Correct AnswerverifiedShow Answer

A solution with a pH of 5 would tell you it is _____.

Correct AnswerverifiedShow Answer

The sour taste of lemons is due to the presence of a compound called a(n) _____.

Correct AnswerverifiedShow Answer

Match the element name with its symbol. -P

Correct AnswerverifiedShow Answer

Molecules that contain carbon, hydrogen, and oxygen are known as ____________ _____________.

Correct AnswerverifiedShow Answer

Buffers help a living organism to maintain a constant pH value.

Correct AnswerverifiedShow Answer

Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge.

Correct AnswerverifiedShow Answer

Match the element name with its symbol. -C

Correct AnswerverifiedShow Answer

Fructose found in fruit and honey is an example of a disaccharide.

Correct AnswerverifiedShow Answer

Which of the following is an example of a lipid?

Correct AnswerverifiedShow Answer

is involved in the process of heredity.

Correct Answer
verified
DNA
Deoxyr...
View Answer

The four groups of organic compounds are , , , and .

Correct Answer
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carbohydrates, lipids, proteins, nucleic...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Compounds can be classified into the following three groups: , , and .

Correct Answer
verified
acids, bases, salts
acids, sal...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Molecules that contain carbon, hydrogen, and oxygen are known as _.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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